Dave (David) Mackey, born November 22, 1969, is an American

ultra runner adopted by British military intelligence in June 1941 for wartime signals intelligence obtained by breaking high-level encrypted enemy radio and teleprinter communications at the Government Code and Cypher School (GC&CS) at Bletchley Park. '' ...

and adventure racer who lives in

Boulder, Colorado Boulder is a home rule city that is the county seat and most populous municipality of Boulder County, Colorado, United States. The city population was 108,250 at the 2020 United States census, making it the 12th most populous city in Color ...

. Mackey has set course records at many significant national ultra-distance trail running races, and spent several years adventure racing nationally and internationally. He is a

physician assistant A physician assistant or physician associate (PA) is a type of Mid-level practitioner, mid-level health care provider. In North America PAs may diagnose illnesses, develop and manage treatment plans, prescribe medications, and may serve as a pri ...

emergency medicine Emergency medicine is the medical speciality concerned with the care of illnesses or injuries requiring immediate medical attention. Emergency physicians (often called “ER doctors” in the United States) continuously learn to care for unsche ...

. In 2011, Mackey won the Montrail Cup, which he also won in 2004. He won the Ultrarunning Magazine North American Ultrarunner of the Year in 2011, and was runner-up in 2004. He won the USA Track and Field Ultrarunner of the Year in 2004 and in 2005, and also has won several USATF national trail running titles at three different distances: 50K, 50 mile, and 100 kilometers. In running from one side of the

Grand Canyon The Grand Canyon (, yuf-x-yav, Wi:kaʼi:la, , Southern Paiute language: Paxa’uipi, ) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is long, up to wide and attains a depth of over a m ...

and back, also known as the rim-to-rim-to-rim (R2R2R), Mackey set a former record of 6:59:57. The current record is held by Jim Walmsley. Mackey also holds speed climbing records in the

, area, including the fastest round-trip time climbing and descending the Third Flatiron from Chautauqua Park in Boulder.

Accident and injury

On May 23, 2015, Mackey fell off of a ridge, while training at Bear Peak near his home in Boulder. Among other injuries, he sustained a serious damage on his left lower leg. He recovered to the point he could walk (with a limp), but after a year and a half of surgeries, recurring infections and constant pain, he decided to get his ill leg amputated below the knee, hoping a prosthetic device would provide him better possibility to resume life as it was before the accident.

Significant course records and wins

*Waldo 100k, course record * Miwok 100K, three-time winner and course record holderMiwok 100K Trail Race - Course Records and Results
/ref> * American River 50 Mile, winner *Bandera 100K, course record *Fire Trails 50 Mile, course record *Moab Red Hot 50k, course record *Rock and Ice Ultra, inaugural winner *Headlands 50K, course record * Way Too Cool 50K, three-time winner *

Zane Grey Highline Trail 50 Mile Run The Zane Grey Highline Trail 50 mile Endurance Run, known commonly as the Zane Grey 50, is a 50-mile (80 km) ultramarathon that takes place on the Highline Trail in the Tonto National Forest just below the Mogollon Rim in central Ariz ...

, course record * Mountain Masochist Trail Run (50 miles), 3 time-winner

References

{{DEFAULTSORT:Mackey, Dave 1969 births Living people American male long-distance runners American male ultramarathon runners People from Novato, California